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	1.	Potential molluscacides screened in the laboratory and the results of preliminary field plot tests. [electronic resource] by HUNTER, G W FREYTAG, R E RITCHIE, L S Producer: 20030501 In: The Journal of parasitology vol. 38 Availability: No items available. Save to lists Add to cart (remove)
	2.	Studies on schistosomiasis. VII. Observations on some surfactants for dispersing insoluble molluscicides. [electronic resource] by FREYTAG, R E HUNTER, G W RITCHIE, L S Producer: 20030501 In: The American journal of tropical medicine and hygiene vol. 4 Availability: No items available. Save to lists Add to cart (remove)
	3.	Parasitic infections in food handlers. [electronic resource] by CAVENAUGH, R L FREYTAG, R E MELTZER, H D Producer: 20020501 In: Medical bulletin of the U. S. Army, Europe. United States. Army, Europe. Medical Division vol. 14 Availability: No items available. Save to lists Add to cart (remove)
	4.	Comparison of Xenopus laevis and Rana nigromaculata as test animals for the determination of pregnancy. [electronic resource] by FREYTAG, R E HULLINGHORST, R L HUNTER, G W RITCHIE, L S Producer: 20030501 In: The Journal of laboratory and clinical medicine vol. 42 Availability: No items available. Save to lists Add to cart (remove)
	5.	Parasitological studies in the Far East. XII. An epidemiologic survey in Shizuoka Prefecture, Honshu, Japan. [electronic resource] by RITCHIE, L S HUNTER, G W FREYTAG, R E PAN, C YOKOGAWA, M LIN, S S Producer: 20020501 In: Japanese journal of medical science & biology vol. 9 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Studies on schistosomiasis. VI. Control of the snail host of schistosomiasis in Japan with sodium pentachlorophenate (Santobrite). [electronic resource] by HUNTER, G W FREYTAG, R E RITCHIE, L S PAN, C YOKAGAWA, M POTTS, D E Producer: 20040215 In: The American journal of tropical medicine and hygiene vol. 1 Availability: No items available. Save to lists Add to cart (remove)